Part A. Draw the project network diagram using the AOA diagram (activities on arcs).

Part B. Using the diagram drawn in A as a basis, determine the Early Event Time (ET) and Late Event Time (LT) for each node.

Part C. Determine the free float and total float for each activity.
Determine the critical step of tasks and expected duration of the project

Part D. Find the probability that the project lasts less than 30 days

Time in Days Task Best Worst Likely Immediate Conditions Conditions Conditions Predecessors Request shipping of machinery 5 4 B Clear Space 6 4 C 2 5 3 Prepare manufacturing floor with machines A,B D 5 co Train employees with the use of new machinery E Nalidation Run 8 7 CD Release product for production 2 5 3 G